Stackoverflow cleanup.user.js

// ==UserScript==
// @name     Stackoverflow cleanup
// @description Remove the right sidebar, left sidebar, post form, footer, cookie consent. Based on https://greasyfork.org/users/293891.
// @version  1
// @grant    none
// @include        http*://stackoverflow.com/questions/*
// @include        http*://serverfault.com/questions/*
// @include        http*://superuser.com/questions/*
// @include        http*://stackapps.com/questions/*
// @include        http*://meta.stackoverflow.com/questions/*
// @include        http*://*.stackexchange.com/questions/*
// @include        http*://askubuntu.com/questions/*
// @include        http*://answers.onstartups.com/questions/*
// @include        http*://meta.mathoverflow.net/questions/*
// @include        http*://mathoverflow.net/questions/*
// ==/UserScript==

(function(d){
  var esidebar = d.getElementById('left-sidebar');
  esidebar.parentNode.removeChild(esidebar);

  esidebar = d.getElementById('sidebar');
  esidebar.parentNode.removeChild(esidebar);

  var efooter = d.getElementById('footer');
  efooter.parentNode.removeChild(efooter);

  var epostform = d.getElementById('post-form');
  if (epostform != undefined) {
    epostform.parentNode.removeChild(epostform);
  }

  var emainbar = d.getElementById('mainbar');
  emainbar.style.width = "100%"

  // cookie consent
  var e = d.getElementsByClassName('js-consent-banner');
  if (e.length != 0) {
      e = e[0];
      e.parentNode.removeChild(e);
  }

  e = d.getElementsByClassName('js-dismissable-hero');
  if (e.length != 0) {
      e = e[0];
      e.parentNode.removeChild(e);
  }

})(document);